7478 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

7478

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

MITSUBISHI MICROCOMPUTERS

7477/7478 GROUP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M37478M4/M8/E8-XXXSP/FP, M37478M2T/M4T/M8T/E8TXXXSP/FP, M37478E8SS

A-D CONVERSION CHARACTERISTICS

(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85°C, unless otherwise noted (Note 1))

Symbol

——

——

Parameter

Resolution

Absolute accuracy

Test Conditions

Limits

Min.

Typ.

TCONV

Conversion time

VCC = 2.7 to 5.5 V, f(XIN) = 4 MHz

VCC = 4.5 to 5.5 V, f(XIN) = 8 MHz

VREF

Reference input voltage

0.5 VCC

(Note 2)

RLADDER

VIA

Ladder resistance value

Analog input voltage

2

5

0

Notes 1 : –40°C to 85°C for extended operating temperature version.

2 : Set the VREF voltage to 0.5VCC or more and 2V or more. When using no A-D converter, connect it to VCC.

Unit

Max.

8

bits

±3

LSB

25

µs

12.5

VCC

V

10

kΩ

VREF

V

46

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